Re: Access GPT partitions on LVM volumes (map entry doesn't fit media)

[Matthias Petermann <mp%petermann-it.de@localhost>]

Hello Greg,

Am 19.07.2020 um 17:06 schrieb Greg Troxel:
> Guessing somewhat wildly, so don't take this too seriously:
>
>    it seems tools like gpt sometimes try to find the real device for the
>    partition you give.  that might be happening
>
>    you might use vnconfig to put that lvm partition onto vnd0 and then
>    back up vnd0.  This basically makes the guest's logical disk be the
>    same in the host.  I have done this when I had file-backed disks.
>    (I am not claiming there isn't a bug - just that this might solve your
>    problem for now.)
>    


that sounded promising, but seems to only work with file-based volumes.

	jupiter# vndconfig vnd0 /dev/mapper/rvg0-builder9
	vndconfig: /dev/rvnd0: VNDIOCSET: Operation not supported

Thanks anyway - I should take a closer look at LVM - I'm probably 
scratching the surface too much here. But it was worth a try.

Kind regards
Matthias